C1111121111331311211331333133313331333133313231333133313331311331322331121321   >>    C111112111133131121133133313331333133313331323133313331333131133132233112132   <<    C1111121111331311211331333133313331333133313231333133313331311331322331121323   >>      C1111121111331311211331333133313331333133313231333133313331311331322331121322   >>